shifts fine except when i mash the gas
shifts fine except when i mash the gas I have a stock 99 ta. Car shifts fine a little hard but fine. The problem I'm having is when I'm on the highway and stomp on the gas to pass someone motor just revs and it wont drop gears on me. Any ideas. Tranny fluid is good
alright when i step on it it revs up but doesnt tach out. goes up to around 6 and then goes back down. but doesnt ever actually engage in a lower gear. havent tried to take it to its limits. the car has a lot of miles on it A LOT. planning on building a new block while deriving this one in the dirt. so you can see i dont really want to just hold down the gas and see if itll drop down into say second at 6k rpms. or manually drop shift. but if i need to to find out i guess i will.
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Brett Foote I agree. No doesn't seem burnt but as soon as I get a chance I'm gonna change all fluids and filters and are if it helps any. I'm gonna be looking for a block and when I am ready for the swap I want to convert it to m6
Two things.
One, TPS faults will mess with shifting. If your matted
TPS voltage is over 4.75 you will be in a fault mode even
if not long enough for a code to set. However this usually
means hard, short shifting, not what you describe.
Two, I have seen many force motor tables that have a
"blowoff" current value in the 96% column. In these tunes
the max line % is capped at 95%. But if somebody thought
they were clever and raised that cap limit, you could step
in that hole and throw full motor torque against minimum
line, and that'd be the kind of fun you're talking about.
Most people don't mess with the force motor profiles.
t
One, TPS faults will mess with shifting. If your matted
TPS voltage is over 4.75 you will be in a fault mode even
if not long enough for a code to set. However this usually
means hard, short shifting, not what you describe.
Two, I have seen many force motor tables that have a
"blowoff" current value in the 96% column. In these tunes
the max line % is capped at 95%. But if somebody thought
they were clever and raised that cap limit, you could step
in that hole and throw full motor torque against minimum
line, and that'd be the kind of fun you're talking about.
Most people don't mess with the force motor profiles.
t
Now when I first get in the car and start it put it in reverse and it does kick pretty hard. Then back in drive the same thing. But when it gets to normal temp it doesn't shift as hard. Could this be what you are talking about. 2nd is pretty hard also but no on the highway there is no hard shifting at all
Two things.
One, TPS faults will mess with shifting. If your matted
TPS voltage is over 4.75 you will be in a fault mode even
if not long enough for a code to set. However this usually
means hard, short shifting, not what you describe.
Two, I have seen many force motor tables that have a
"blowoff" current value in the 96% column. In these tunes
the max line % is capped at 95%. But if somebody thought
they were clever and raised that cap limit, you could step
in that hole and throw full motor torque against minimum
line, and that'd be the kind of fun you're talking about.
Most people don't mess with the force motor profiles.
t
One, TPS faults will mess with shifting. If your matted
TPS voltage is over 4.75 you will be in a fault mode even
if not long enough for a code to set. However this usually
means hard, short shifting, not what you describe.
Two, I have seen many force motor tables that have a
"blowoff" current value in the 96% column. In these tunes
the max line % is capped at 95%. But if somebody thought
they were clever and raised that cap limit, you could step
in that hole and throw full motor torque against minimum
line, and that'd be the kind of fun you're talking about.
Most people don't mess with the force motor profiles.
t
My suggestions pertain to your original post. The hard
shift at startup is probably just startup airflow making
a higher calculated load and line pressure (and higher
startup RPM loading up the converter).
shift at startup is probably just startup airflow making
a higher calculated load and line pressure (and higher
startup RPM loading up the converter).
